3" ID White Wall Eye - Extended Length and Flange - Fits Wall Thickness between 8 1/2" - 14" in length.

This large Wall Eye Wall Port is made with a 3" ID opening, with an oversized 1" flange that protrudes around the exterior of the wall Eye.  This large flange has 3 of the 1/4" through holes to allow the port to be attached to the wall after the unit has been screwed together.  This extended length unit can accommodate a wall or barrier thickness of between 8" and 14" in thickness.  (Shown beside standard wall port to help give size relevance).